Piston-ring compressor



Dec. 25, 1923. 1,478,942

W. C. COOK PISTON RING COMPRESSOR Filed March 15. 1922 INVENTOR ML F'IPED 6'. Coax wa /w ATTORN Patented Dec. 25,. 1923.

WILFRED C. COOK, OF FRESNO, CALIFORNIA.

PISTON-RING COMPRESSOR.

Application filed March 15, 1922. Serial No. 543,9 2.

To all whom it may concern:

Be it known that I, WILFRED C. Coon, a citizen ofthe United States, and resident of Fresno, in tliecounty of Fresno and State of California, have invented certain new and useful Improvements in Piston- Ring Compressors, of which the followlng is a specification.

My invention relates to a device for use when installing rings in explosion engines and the like and is designed for use to compress the ring while the piston is belng positioned within its respective cyllnder, and has for its object the providing of a device for the above purpose which will, be simple in construction and operatlon, and which can be easily and quickly adjusted to compress the ring from any convenient position.

Other objects and advantages Wlll appear hereinafter and, while I have shown and W111 describe the preferred form of my invention it will be understood that I do not limit myself to such preferred form but that various changes and adaptations may be made therein without departing from the spirit of my invention.

In the drawings accompanying and forming a part hereof:

Fig. 1 is a side elevation of my devlce ready for use.

Fig. 2 is a top plan of Fig. 1.

Fig. 3 is a side elevation of Fig. 1.

Fig. 4: is an enlarged fragmentary detail of a portion of my device.

Figs. 5 and 6 are fragmentary details of a portion of my device.

Referring to the drawings my device comprises a pair of handles 7 pivotally connected together intermediate their ends to form a pair of pliers. The upper ends or noses of these pliers are provided with apertures 8, and each aperture 8 has a portion cut away at the center of its upper-' most edge to form a recess 9, the whole forming a substantially T-shaped recess as best shown in Fig. 4:. Mounted in one of the recesses 8 in each nose is a free end 10 of the ring holder 11 which holder is in the form of a ring'of wire or the like and is of a size such that when compressed it will tightly hold the ring within its respective groove of the piston and flush with the outer wall of the piston. The free ends 10 of the ring holder 11 terminate in a holder will lie in a in the piston.

allel with said body semi-circular portion of a. size and configuration to fit within the recesses 8 and 9" and are offset so that the: body of said plane slightly above the edge of the nose of the pliers. j 'In-the operation of my device the ring will first be positioned within its'groove The ringholder will then be positioned to surround said ring.

The pliers will then be operated, by moving the handles together, to compress the ring holder and with it the ring.

The piston will then be moved until the ring is within the cylinder when the pliers will be released and the ring holder removed. This process will be repeated until i all the rings are positioned.

As shown in the drawings my device is being used with the ring holder at a right angle to the pliers, but in the event it is desired to use the same in a position parallel with the pliers the ends of the ring holder will be positioned in the recesses 9.

Having described my invention what I claim is:

1. In a ring compressor the combination with a pair of movable jaw members having substantially opposed T-shaped openlngs in the free ends of said jaws, of an annulus having the free ends thereof bent to extend at a right angle to the body portion and then bent to form hooks lying in a plane parallel with said body portion and adapted for engagement with the T-shaped opening in the jaw members, substantially as and for the purpose described. 1

2. A ring compressor comprising an annulus adapted to be positioned to surround said ring, said annulus having its free ends bentto extend at right angles to the body portion of said annulus and then bent to form hooks lying in a plane parportion; and means adapted to engagesaid hooks to draw said free ends together. 3. A. ring compressor comprising an annulus adapted to be positioned to sur-' round said ring, said annulus having its free ends bent to extend at right angles to the body portion of said annulus'and then bent to form hooks lying in a plane parallel with said body portion; incombination with a pair of pliers having substantially opposed T-shaped recesses in the free ends of the jaws thereof adapted to receive the hook ends of said annulus, said hooks and recesses being so constructed and arranged that the body portion of said annulus will lie in a plane Without the plane of said pliers. r

4. A ring compressor comprising in combination a pair of pliers provided with opposed substantially T-shaped openings in said openings, said hooks and openings bewing so formedthatwhen positioned for use the body portion of said ring Will lie in a plane withoutlthe plane of said pliers.

annulus having its free ends terminating 1n hooks adapted to be positioned Within 0pposed pairs of said recesses, the hook portions of said annulus being ofiset whereby When positioned for use said annulus Will lie in a plane outside the plane of said tongs. I

In Witness that I claim the foregoing I have hereunto subscribed my name this 22nd day of December 1921. V p

' WILFRED C. COOK. 

